buckling criteria

简明释义

屈曲标准

英英释义

例句

1.In the design phase, it's crucial to apply the buckling criteria 屈曲准则 to prevent failure.

在设计阶段，应用buckling criteria 屈曲准则防止失效至关重要。

2.The team conducted tests to validate the buckling criteria 屈曲准则 established in previous studies.

团队进行了测试，以验证之前研究中建立的buckling criteria 屈曲准则。

3.The engineer reviewed the buckling criteria 屈曲准则 to ensure the stability of the structure under load.

工程师审查了buckling criteria 屈曲准则，以确保结构在负载下的稳定性。

4.When analyzing a beam, the buckling criteria 屈曲准则 must be considered to avoid structural collapse.

在分析梁时，必须考虑buckling criteria 屈曲准则以避免结构崩溃。

5.The buckling criteria 屈曲准则 for slender columns is different from that of stocky columns.

细长柱的buckling criteria 屈曲准则与粗短柱的不同。

作文

In the field of structural engineering, the term buckling criteria refers to the conditions under which a structural element, such as a column or beam, becomes unstable due to compressive stresses. Understanding these criteria is crucial for engineers as they design structures that can withstand various loads without failing. Buckling occurs when a structure deforms significantly under pressure, leading to a sudden loss of load-carrying capacity. Therefore, evaluating the buckling criteria is essential in ensuring the safety and reliability of constructions.The buckling criteria are primarily determined by the geometry of the structural element, the material properties, and the type of loading applied. For example, slender columns tend to buckle more easily than stocky ones. Engineers use formulas derived from Euler's buckling theory to calculate the critical load at which buckling occurs. This critical load is influenced by factors such as the length of the column, its cross-sectional area, and the material's Young's modulus.In practice, engineers must consider various types of buckling, including elastic buckling, inelastic buckling, and local buckling. Each type has its own buckling criteria, which need to be analyzed depending on the specific application. Elastic buckling typically occurs in slender members, while inelastic buckling is more relevant for short, stocky members subjected to high loads. Local buckling can happen in plate elements where local deformation leads to failure before the entire structure collapses.To ensure that structures remain safe under expected loads, engineers often apply safety factors when designing against buckling. These safety factors account for uncertainties in material properties, load estimations, and potential imperfections in the structure. By adhering to established buckling criteria, engineers can predict the behavior of structures under different loading scenarios, leading to more robust designs.Moreover, modern advancements in materials and construction techniques have led to new approaches for addressing buckling issues. Composite materials, for example, can offer enhanced strength-to-weight ratios, allowing for slimmer designs that still meet the buckling criteria. Additionally, computer-aided design (CAD) software enables engineers to simulate different loading conditions and assess the buckling behavior of complex structures more accurately.In conclusion, the concept of buckling criteria is fundamental in structural engineering. It encompasses a range of factors that influence the stability of structural elements under load. By understanding and applying these criteria, engineers can design safer, more efficient structures that meet the demands of modern construction. As technology evolves, so too will the methods used to analyze and mitigate buckling, ensuring that safety remains a top priority in engineering practices.

在结构工程领域，术语屈曲标准指的是结构元素（如柱或梁）在受到压缩应力时变得不稳定的条件。理解这些标准对工程师至关重要，因为他们设计的结构必须能够承受各种载荷而不发生失效。屈曲是指结构在压力下发生显著变形，导致承载能力突然丧失。因此，评估屈曲标准对于确保建筑物的安全性和可靠性至关重要。屈曲标准主要由结构元素的几何形状、材料特性和施加的载荷类型决定。例如，细长的柱子比粗壮的柱子更容易发生屈曲。工程师使用从欧拉屈曲理论中推导出的公式来计算屈曲发生时的临界载荷。这个临界载荷受到柱子的长度、截面积以及材料的杨氏模量等因素的影响。在实践中，工程师必须考虑各种类型的屈曲，包括弹性屈曲、非弹性屈曲和局部屈曲。每种类型都有其自身的屈曲标准，需要根据具体应用进行分析。弹性屈曲通常发生在细长构件中，而非弹性屈曲则更与短而粗壮的构件在高载荷下相关。局部屈曲可以发生在板元素中，其中局部变形导致在整个结构崩溃之前的失效。为了确保结构在预期载荷下保持安全，工程师在设计抗屈曲时通常会应用安全系数。这些安全系数考虑了材料特性的的不确定性、载荷估算和结构可能存在的缺陷。通过遵循既定的屈曲标准，工程师可以预测结构在不同加载情景下的行为，从而导致更稳健的设计。此外，现代材料和施工技术的进步为解决屈曲问题提供了新的方法。例如，复合材料可以提供增强的强度与重量比，允许更纤细的设计，同时仍然满足屈曲标准。此外，计算机辅助设计（CAD）软件使工程师能够模拟不同的载荷条件，更准确地评估复杂结构的屈曲行为。总之，屈曲标准的概念在结构工程中是基础性的。它涵盖了一系列影响结构元素在载荷下稳定性的因素。通过理解和应用这些标准，工程师可以设计出更安全、更高效的结构，以满足现代建筑的需求。随着技术的发展，分析和减轻屈曲的方法也将不断演变，确保安全始终是工程实践的首要任务。